The duration of taking heart stabilizing granules is usually 4 weeks as a course of treatment. Due to the different physical constitution, different degree of disease development and different reaction to drugs, the duration of taking drugs should be judged according to the specific conditions of patients, and should not be generalized. It is commonly used for the treatment of chest tightness, shortness of breath, weakness, premature ventricular contractions, premature atrial contractions, etc. It can also be used for the clinical treatment of patients with arrhythmia and tachycardia. Usually patients with mild symptoms are relieved in 5-7 days, and it is generally recommended to take at least one course of treatment. If the symptoms do not improve significantly after a course of treatment, it is necessary to seek medical advice and consider whether it is necessary to change the treatment medication to achieve a better therapeutic effect. When taking this kind of Chinese medicine, you should pay attention to a light diet, reduce the intake of spicy and stimulating food, do not drink strong tea, do not drink alcohol, do not smoke, so as not to affect the effectiveness of the medicine. Some people may experience dizziness and nausea after taking heart stabilizing pellets, which usually do not affect the medication, but if the symptoms are serious, the medication should be suspended. If you need to take other drugs at the same time, you should consult your doctor to see if it is feasible. It should also be noted that pregnant women and patients with slow arrhythmias should take it with caution.